CVE-2026-9998: Integer overflow in Google Chrome
CVE-2026-9998 is an integer overflow vulnerability in the Skia component of Google Chrome versions prior to 148.0.7778.216. This flaw allows a remote attacker who has already compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page. The vulnerability is rated with a high severity score of 8.3. No known exploits in the wild have been reported at this time. The vendor has published an advisory indicating a stable channel update addressing this issue is available.
AI Analysis
Technical Summary
An integer overflow vulnerability exists in the Skia graphics library within Google Chrome before version 148.0.7778.216. This vulnerability can be exploited by a remote attacker with control over the renderer process to perform a sandbox escape, which could lead to elevated privileges or further system compromise. The issue is tracked as CVE-2026-9998 and has a CVSS v3.1 base score of 8.3, reflecting high impact on confidentiality, integrity, and availability. The vendor's advisory confirms a stable update has been released to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker who has compromised the renderer process to escape the sandbox environment, potentially leading to full system compromise or execution of arbitrary code with higher privileges. The CVSS score of 8.3 indicates high impact on confidentiality, integrity, and availability of the affected system. No public exploits are currently known.
Mitigation Recommendations
A stable channel update for Google Chrome version 148.0.7778.216 has been released by Google to address this vulnerability. Users and administrators should apply this official update promptly to mitigate the risk. Since this is a client-side application vulnerability, updating to the fixed version is the primary and recommended mitigation. Patch status is confirmed by the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html.
CVE-2026-9998: Integer overflow in Google Chrome
Description
CVE-2026-9998 is an integer overflow vulnerability in the Skia component of Google Chrome versions prior to 148.0.7778.216. This flaw allows a remote attacker who has already compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page. The vulnerability is rated with a high severity score of 8.3. No known exploits in the wild have been reported at this time. The vendor has published an advisory indicating a stable channel update addressing this issue is available.
CVSS v3.1
Score 8.3high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An integer overflow vulnerability exists in the Skia graphics library within Google Chrome before version 148.0.7778.216. This vulnerability can be exploited by a remote attacker with control over the renderer process to perform a sandbox escape, which could lead to elevated privileges or further system compromise. The issue is tracked as CVE-2026-9998 and has a CVSS v3.1 base score of 8.3, reflecting high impact on confidentiality, integrity, and availability. The vendor's advisory confirms a stable update has been released to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker who has compromised the renderer process to escape the sandbox environment, potentially leading to full system compromise or execution of arbitrary code with higher privileges. The CVSS score of 8.3 indicates high impact on confidentiality, integrity, and availability of the affected system. No public exploits are currently known.
Mitigation Recommendations
A stable channel update for Google Chrome version 148.0.7778.216 has been released by Google to address this vulnerability. Users and administrators should apply this official update promptly to mitigate the risk. Since this is a client-side application vulnerability, updating to the fixed version is the primary and recommended mitigation. Patch status is confirmed by the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:25:10.789Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html","vendor":"Google"}]
Threat ID: 6a18c685e29bf47b503b65c3
Added to database: 05/28/2026, 22:49:41 UTC
Last enriched: 06/05/2026, 21:17:57 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 107
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